7202 CD/P4ADBG5
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7202 CD/P4ADBG5 Bearing Product Overview & Core Advantages
The 7202 CD/P4ADBG5 is a precision duplex angular contact ball bearing designed for applications requiring exceptional rigidity and rotational accuracy. This back-to-back (DB) matched pair configuration enables it to withstand combined radial and axial loads from both directions simultaneously. Manufactured to the stringent P4A tolerance class, it delivers superior running accuracy and is preloaded for optimal performance in high-speed, high-precision machinery. Its compact design and phenolic cage contribute to reliable operation under demanding conditions.
7202 CD/P4ADBG5 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7202 | Basic bearing series with 15mm bore, 35mm OD |
| C | 15° contact angle design |
| D | Duplex bearing arrangement |
| P4A | High precision tolerance class with enhanced dimensional and running accuracy |
| DB | Back-to-Back mounting configuration |
| G5 | Preload level specification |
7202 CD/P4ADBG5 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back arrangement creates a wide effective spread between load centers, significantly enhancing system rigidity and moment load capacity. This configuration allows the bearing set to handle substantial combined radial and axial loads in both directions.
Precision Performance: Manufactured to P4A tolerance class standards, this bearing ensures minimal runout and vibration, making it ideal for applications requiring high rotational accuracy. The 15° contact angle provides optimal balance between radial and axial load capacity.
High-Speed Capability: The phenolic cage offers excellent strength-to-weight ratio and operates effectively at high speeds up to 95,000 rpm. The lightweight construction reduces centrifugal forces, contributing to stable high-speed operation.
Optimized Design: With 10 precision balls of 6.35mm diameter arranged in a carefully engineered configuration, the bearing delivers smooth operation and long service life. The chrome steel construction provides excellent wear resistance and durability.
7202 CD/P4ADBG5 Bearing Typical Application Areas
The 7202 CD/P4ADBG5 is specifically engineered for demanding applications including:
- Machine tool spindles requiring high precision and rigidity
- High-speed machining centers and precision grinding machines
- Precision instruments and measuring equipment
- Robotic systems and automation equipment
- Medical equipment spindles and precision mechanisms
- Aerospace components requiring high reliability and accuracy
